ΔE 9.0, close: similar, with a visible difference side by side. Sky BS381C/210 is a little lighter, cooler than Light Imperial Khaki.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Sky BS381C/210 is a little lighter, cooler than Light Imperial Khaki.
The same difference applies the other way round: Light Imperial Khaki is a little darker, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Light Imperial Khaki on the colour wheel See Sky BS381C/210 on the colour wheel
All matches: Light Imperial Khaki equivalents · Sky BS381C/210 equivalents